The nssstub.exe process is an executable component file implemented by the Norton Security Scan software, which is an application classified as a system security program that was designed by Symantec with a set of integrated features for monitoring, detecting and protecting Windows-based systems against data security threats and malicious applications like viruses, spyware items, Trojans and worms among other programs that can compromise the security of data stored in the computer and the stability of the system. The nssstub.exe process is activated by the Norton Security Scan software whenever it needs to implement certain functionalities that are associated to the nssstub.exe process and the modules it corresponds to. Whenever these modules are required by the Norton Security Scan application, the nssstub.exe file may be executed in order for this executable process to call on other associated program files, system resources and modules to load the modules unto the system.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. nssstub.exe. is used by Norton Security Scan, If you shut down nssstub.exe, it will likely start again at a later time either after you restart your computer or after an application start. To stop nssstub.exe, permanently you need to uninstall the application that runs this process which in this case is Norton Security Scan, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

The ReviverSoft experts have not yet reviewed nssstub.exe

A process usually a part of an installed application such as Norton Security Scan, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

The first thing you should do if nssstub.exe. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that nssstub.exe, belongs to, in this case Norton Security Scan